Hello Everone Hope you all are doing well
I have an issue regarding wav recording on iphone.able to record & store file but when i upload to Beyond Verbal API then response is
{"readyState":4,"responseText":"{\"status\":\"failure\",\"reason\":\"Bad
Wave format header Unknown\"}","status":400,"statusText":"Bad
Request"}
MARK:- record audio path
func getDocumentsDirectory() -> URL {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
let documentsDirectory = paths[0]
return documentsDirectory
}
MARK:- Start Recording with duration
func startRecording() {
let audioFilename = getDocumentsDirectory().appendingPathComponent("audioFile.wav")
// print(audioFilename)
let settings = [
AVFormatIDKey: Int(kAudioFormatLinearPCM),
AVSampleRateKey: 41000,
AVNumberOfChannelsKey: 2,
AVEncoderBitRateKey:320000,
AVLinearPCMBitDepthKey:16,
AVEncoderAudioQualityKey: AVAudioQuality.high.rawValue
]
do {
audioRecorder = try AVAudioRecorder(url: audioFilename, settings: settings)
audioRecorder?.delegate = self
audioRecorder.isMeteringEnabled = true
audioRecorder?.record(forDuration: 15)
audioRecorder.record()
} catch {
finishRecording(success: false)
}
}
This is issue occur because of convert. So use .m4a file and then after go for convert into .wav file. it will work.
Related
Hope you're doing well!
I've built an app that generates a view from a .csv file that I have hosted on my website. I've previously managed to get everything working as expected where I called the csv from the website and wrote the contents directly to a variable and then processed it from there. Obviously this wasn't good practice as the app started mis-behaving when the internet couldn't be accessed (despite writing in connectivity checks).
I've now built out the app to call the URL, save the csv with Filemanager, then when the app refreshes, it will use FileManager.default.replaceItemAt to replace the previous version if there is internet connectivity, if not the app builds from the previously stored .csv
This all works fine when the app is running, however I'm running into issues with the background processing task. It seems the app doesn't have permissions to write with FileManager when it is executed from the background task. Is there an additional step I'm missing when using this in background tasks? I've attempted to use FileManager.default.removeItem followed by FileManager.default.copyItem instead of replaceItemAt but it doesn't seem to make a difference as expected.
UPDATE 22/06 - Still scouring the internet for similar issues or examples I think I might be going down the wrong rabbit hole here. This could be issues with the way the new background task has been configured for retrieving data from my website, although the background tasks worked fine before there seems to be a bit more legwork needed for this method to work as a background task.
func handleAppRefresh(task: BGProcessingTask) {
//Schedules another refresh
scheduleAppRefresh()
DispatchQueue.global(qos: .background).async {
pullData()
print("BG Background Task fired")
}
pullData() will call loadCSV() and then do some data processing. At the moment I'm just using a print straight after loadCSV() is called to validate if the downloads etc are successful.
// Function to pass the string above into variables set in the csvevent struct
func loadCSV(from csvName: String) -> [CSVEvent] {
var csvToStruct = [CSVEvent]()
// Creates destination filepath & filename
let documentsUrl:URL = (FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first as URL?)!
let destinationFileUrl = documentsUrl.appendingPathComponent("testcsv.csv")
//Create URL to the source file to be downloaded
let fileURL = URL(string: "https://example.com/testcsv.csv")!
let sessionConfig = URLSessionConfiguration.default
let session = URLSession(configuration: sessionConfig)
let request = URLRequest(url:fileURL)
let task = session.downloadTask(with: request) { (tempLocalUrl, response, error) in
if let tempLocalUrl = tempLocalUrl, error == nil {
if let statusCode = (response as? HTTPURLResponse)?.statusCode {
print("File downloaded Successfully. Response: \(statusCode)")
}
do {
let _ = try FileManager.default.replaceItemAt(destinationFileUrl, withItemAt: tempLocalUrl)
} catch (let writeError) {
print("Error creating a file \(destinationFileUrl) : \(writeError)")
}
} else {
print("Error" )
}
}
task.resume()
let data = readCSV(inputFile: "testcsv.csv")
var rows = data.components(separatedBy: "\n")
rows.removeFirst()
// Iterates through each row and sets values
for row in rows {
let csvColumns = row.components(separatedBy: ",")
let csveventStruct = CSVEvent.init(raw: csvColumns)
csvToStruct.append(csveventStruct)
}
print("LoadCSV has run and created testcsv.csv")
return csvToStruct
}
Any help or pointers to why these files aren't being updated in background tasks but are working fine in app would be massively appreciated!
Thanks in advance.
EDIT: adding new BGProcessingTask
func handleAppRefresh(task: BGProcessingTask) {
//Schedules another refresh
print("BG Background Task fired")
scheduleAppRefresh()
Task.detached {
do {
let events = try await loadCSV(from: "Eventtest").filter { !dateInPast(value: $0.date) }
print(events)
pullData(events: events)
} catch {
print(error)
}
}
}
The problem is not the background task per se, the problem is the asynchronous behavior of downloadTask. readCSV is executed before the data is downloaded.
In Swift 5.5 and later async/await provides asynchronous behavior but the code can be written continuously.
func loadCSV(from csvName: String) async throws -> [CSVEvent] {
var csvToStruct = [CSVEvent]()
// Creates destination filepath & filename
let documentsUrl:URL = (FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first as URL?)!
let destinationFileUrl = documentsUrl.appendingPathComponent("testcsv.csv")
//Create URL to the source file to be downloaded
let fileURL = URL(string: "https://example.com/testcsv.csv")!
let sessionConfig = URLSessionConfiguration.default
let session = URLSession(configuration: sessionConfig)
let request = URLRequest(url:fileURL)
let (url, response) = try await session.download(for: request)
if let statusCode = (response as? HTTPURLResponse)?.statusCode {
print("File downloaded Successfully. Response: \(statusCode)")
}
let _ = try FileManager.default.replaceItemAt(destinationFileUrl, withItemAt: url)
let data = readCSV(inputFile: "testcsv.csv")
var rows = data.components(separatedBy: "\n")
rows.removeFirst()
// Iterates through each row and sets values
for row in rows {
let csvColumns = row.components(separatedBy: ",")
let csveventStruct = CSVEvent.init(raw: csvColumns)
csvToStruct.append(csveventStruct)
}
print("LoadCSV has run and created testcsv.csv")
return csvToStruct
}
To call the function you have to wrap it in a detached Task which replaces the GCD queue
Task.detached {
do {
let events = try await loadCSV(csvName: "Foo")
print("BG Background Task fired")
} catch {
print(error)
}
}
I'm sending via AlamoFire an audio file to a REST API and get a JSON response. Meanwhile I would like to display a loading image (e.g. animated circle) until I receive the response. My current solution is so far:
let voiceData = try? Data(contentsOf: audioRecorder.url)
let uploadUrl = "<server ip>"
AF.upload(multipartFormData: { multipartFormData in
multipartFormData.append(voiceData!, withName: "file", fileName: "recording.m4a", mimeType: "audio/mpeg")
},
to: uploadUrl, method: .post)
.responseJSON { resp in
print(resp)
}
Now how can I show the loading image in my SwiftUI View?
I'm not sure about AlamoFire, but in order to do 2 things in parallel, you must use async methods, so this is what you could do (in JavaScript):
document.querySelector("#getInfoBtn").addEventListener('click',() => {
toggleInfoBtnSpinner()
setTimeout(AFUpload, 10)
});
let toggleInfoBtnSpinner = () => {
const btn = document.querySelector("#getInfoBtn")
const spinner = btn.querySelector("#infoSpinner")
if (spinner == null) {
btn.innerHTML = `<span id="infoSpinner" class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>Search`
} else {
spinner.remove()
btn.innerHTML = `Search`
}
btn.disabled = !btn.disabled
}
This will set the spinner start and then, you'll execute your AFUpload function after 10 ms as an async function and you can trigger something rom that function to let the system know it finished
I've been using the new template for a document-based SwiftUI app. While you get a lot of file-management "for free" in the new template, as it stands in the iOS version users have to back out of the file to the file browser to change the filename. I want to create an opportunity for the user to rename the file while it is open.
Here's a sample project focused on the issue: https://github.com/stevepvc/DocumentRenamer
In the code, I've added to the template code a simple UI with a textfield for the user to enter a new name. When the user hits the "rename" button, the app checks to see if the URL with that name component is available, appending a suffix if necessary to create a target url.
func getTargetURL() -> URL {
let baseURL = self.fileurl.deletingLastPathComponent()
print("filename: \(self.filename)")
print("fileURL: \(self.fileurl)")
print("BaseURL: \(baseURL)")
var target = URL(fileURLWithPath: baseURL.path + "/\(filename).exampletext")
var nameSuffix = 1
while (target as NSURL).checkPromisedItemIsReachableAndReturnError(nil) {
target = URL(fileURLWithPath: baseURL.path + "/\(filename)-\(nameSuffix).sermon")
print("Checking: \(target)")
nameSuffix += 1
}
print("Available Target: \(target)")
return target
}
It then attempts to rename the file, and this is when I am stuck. I have tried several methods, most recently the following:
func changeFilename(){
let target = getTargetURL()
var rv = URLResourceValues()
let newFileName = target.deletingPathExtension().lastPathComponent
rv.name = newFileName
do {
if fileurl.startAccessingSecurityScopedResource(){
try fileurl.setResourceValues(rv)
fileurl.stopAccessingSecurityScopedResource()
}
} catch {
print("Error:\(error)")
}
}
But I keep getting the following error:
Domain=NSCocoaErrorDomain Code=513 "You don’t have permission to save the file “Untitled” in the folder “DocumentRenamer”."
I have also tried this without the startAccessingSecurityScopedResource() check, and alternatively have tried creating a helper class as follows:
class FileMover: NSObject {
func moveFile(originalURL: URL, updatedURL:URL) -> Bool {
let coordinator = NSFileCoordinator(filePresenter: nil)
var writingError: NSError? = nil
var success : Bool = true
print("moving file")
coordinator.coordinate(writingItemAt: originalURL, options: NSFileCoordinator.WritingOptions.forMoving, error: &writingError, byAccessor: { (coordinatedURL) in
do {
try FileManager.default.moveItem(at: coordinatedURL, to: updatedURL)
success = true
print("file moved")
} catch {
print(error)
success = false
}
})
return success
}
}
But using this method locks up the app entirely. It's possible that there is something about iCloud permissions going on there, but I think I've have those set up appropriately.
It appears to work fine in the simulator, but not when run on a device.
What is the correct method for renaming a file in the app's container?
I do have a UIWebView included where a public URL is loaded; unfortunately, vcard and ical-Links are not handled, i.e. nothing happens when I click on them.
I tried to set all data detectors, no luck unfortunately.
In the Xcode-log, I get this here when clicking on such a link:
2017-07-14 13:43:00.982413+0200 xxx[2208:967973] WF: _userSettingsForUser mobile: {
filterBlacklist = (
);
filterWhitelist = (
);
restrictWeb = 1;
useContentFilter = 0;
useContentFilterOverrides = 0;
whitelistEnabled = 0;
}
In Safari, the same stuff works as expected.
If I use UIApplication.shared.openURL(icsOrVcardUrl) Safari gets opened and from there everything works as expected again, but I don't want the user to leave the app...
EDIT
This doesn't work either:
func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebViewNavigationType) -> Bool {
if let url = request.url {
if url.absoluteString.contains("=vcard&") || url.absoluteString.contains("/ical/") {
let sessionConfig = URLSessionConfiguration.default
let session = URLSession(configuration: sessionConfig)
let request = URLRequest(url:url)
let task = session.downloadTask(with: request) { (tempLocalUrl, response, error) in
if let tempLocalUrl = tempLocalUrl, error == nil {
DispatchQueue.main.async {
self.documentController.url = tempLocalUrl
self.documentController.presentPreview(animated: true)
}
}
}
task.resume()
return false
}
}
return true
}
Use a UIDocumentInteractionController to preview without leaving your app.
I tested it quickly with an .ics file and it works fine.
Implement the UIDocumentInteractionControllerDelegate protocol
extension MainViewController: UIDocumentInteractionControllerDelegate {
func documentInteractionControllerViewControllerForPreview(_ controller: UIDocumentInteractionController) -> UIViewController {
return self;
}
}
Create an instance of the interaction controller:
let documentController = UIDocumentInteractionController()
Intercept the clicks in your UIWebView in shouldStartLoadWithRequest, return false for links you want to handle with the in-app preview and true for all the rest. And finally:
func previewDocument(_ url: URL) {
documentController.url = url
documentController.presentPreview(animated: true)
}
Here it is in the simulator
EDIT:
In response to the comment to this answer:
The reason it doesn't work for you is because the UIDocumentInteractionController depends on the file extension. The extension of the temp file is .tmp
Renaming the file after the download solves the problem. Quick and dirty example:
let task = session.downloadTask(with: url!) { (tempLocalUrl, response, error) in
if let tempLocalUrl = tempLocalUrl, error == nil {
do {
let filemgr = FileManager.default
let newUrl = tempLocalUrl.appendingPathExtension("ics")
try filemgr.moveItem(at: tempLocalUrl, to: newUrl)
DispatchQueue.main.async {
self.documentController.url = newUrl
self.documentController.presentPreview(animated: true)
}
} catch let error {
print("Error!!!: \(error.localizedDescription)")
}
}
}
task.resume()
In this case it is advisable to clean after yourself, because the file won't be deleted after the task completes although the OS will delete it eventually, when space is needed. If you often access the same urls, Library/Caches/ may be a better place for this files, just come up with good naming schema, and check if the file doesn't exist already.
I'm hoping someone may be able to help me figure out a snafu I'm having with an app I am trying to write (or learn to write) in Swift 2.0. This previously worked in Swift 1.2, but after the necessary conversions, I am continunally facing the error;
Cannot invoke initializer of type 'NSData' with an argument list of type '(contenOfURL: NSURL, options: NSDataReadingOptions, error:nil)'
Here is my code, slightly truncated, that I am using;
...
class func fetchMinionData() -> [Minion] {
let myURL = "https://myurl/test.json"
let dataURL = NSURL(string: myURL)
let data = NSData(contentsOfURL: dataURL!, options: NSDataReadingOptions.DataReadingMappedIfSafe, error: nil)
//THIS IS THE LINE THAT THROWS THE ERROR
let minionJSON = JSON(data)
var minions = [Minion]()
for (_ , minionDictionary) in minionJSON {
minions.append(Minion(minionDetails: minionDictionary))
}
return minions
}
...
Note that I plan to use the SwiftyJSON library to further parse the data once it is downloaded. I am searching endlessly online, but I just can't seem to figure this out! Thank you!
If you are working with Swift 2, you should not pass the last argument "error". Instead put a try around the NSData initialization. If data needs to be accessed outside take the init result in a var and convert to let Modified code
var optData:NSData? = nil
do {
optData = try NSData(contentsOfURL: dataURL!, options: NSDataReadingOptions.DataReadingMappedIfSafe)
}
catch {
print("Handle \(error) here")
}
if let data = optData {
// Convert data to JSON here
}
Example code for Dictionary :) Swift 2.0
https://github.com/DaRkD0G/LoadExtension/edit/master/LoadExtensionDictionary.swift
enum EHError: ErrorType {
case Nil(String)
case NSData(String)
case JSON(String)
}
extension Dictionary {
/**
Loads a JSON file from the app bundle into a new dictionary
- parameter filename: File name
- throws: PathForResource / NSData / JSON
- returns: Dictionary<String, AnyObject>
*/
static func loadJSONFromBundle(filename: String) throws -> Dictionary<String, AnyObject> {
guard let path = NSBundle.mainBundle().pathForResource(filename, ofType: "json") else {
throw EHError.Nil("[EasyHelper][loadJSONFromBundle][->pathForResource] The file could not be located\nFile : '\(filename).json'")
}
guard let data = try? NSData(contentsOfFile: path, options:NSDataReadingOptions()) else {
throw EHError.NSData("[EasyHelper][loadJSONFromBundle][->NSData] The absolute path of the file not find\nFile : '\(filename)'")
}
guard let jsonDict = try NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions()) as? Dictionary<String, AnyObject> else {
throw EHError.JSON("[EasyHelper][loadJSONFromBundle][->NSJSONSerialization]Error.InvalidJSON Level file '\(filename)' is not valid JSON")
}
return jsonDict
}
}
If I do not do a mistake, for you is that
/**
Loads a JSON file from the app bundle into a new dictionary
- parameter filename: File name
- throws: EHError : PathForResource / NSData / JSON
- returns: [String : AnyObject]
*/
static func loadJSONFromBundle(filename: String, nameJson:String) throws -> [String : AnyObject] {
guard let path = NSBundle.mainBundle().pathForResource(filename, ofType: "json") else {
throw EHError.Nil("[EasyHelper][loadJSONFromBundle][->pathForResource] The file could not be located\nFile : '\(filename).json'")
}
guard let data = try? NSData(contentsOfFile: path, options:NSDataReadingOptions()) else {
throw EHError.NSData("[EasyHelper][loadJSONFromBundle][->NSData] The absolute path of the file not find\nFile : '\(filename)'")
}
guard let jsonDict = try NSJSONSerialization.JSONObjectWithData(data, options: .AllowFragments) as? [String : AnyObject] else {
throw EHError.JSON("[EasyHelper][loadJSONFromBundle][->NSJSONSerialization] Invalid JSON\n nameJson '\(nameJson)'\nFile '\(filename)'")
}
return jsonDict
}